102Detailed OperationSystem (SYS) FunctionThe System function allows you to set general Navpreferences, obtain version information, and performtests on the operation of your GMX 200.Press the FN key and then press the SYS key toreach the System functions.System Nav PagesPress the Nav function key, if necessary, to displaythe Nav System functions.System Nav Setup Menu Items (Page 1)Ownship SymbolThe Ownship Symbol option allows you to choosethe type of icon that will represent your aircraft on thedisplay. You can make selections of Single, Twin, Jet, orHelicopter .Lat/Lon FormatThe Lat/Lon format option allows you to selectbetween two choices for the display of Lat/Lon coor-dinates. Choose between degrees-minutes-seconds-seconds decimals (DD MM SS.SS) or degrees-minutes-minutes decimals (DD MM.MM).SystemSet Baro Correction Units(Pressure Altitude Source only)Baro-Correction (QNH) can now be entered in Mil-libars in addition to in. Hg.Set Baro Correction(Pressure Altitude Source only)You may enter the corrected barometric pressure sothat the proper pressure altitude will be displayed.1. Press the MENU ITEM key for Set Baro Cor-rection.2. The Function “smart” keys at the bottom of thedisplay will have direction arrows above them.Press the UP/DOWN arrow keys to changethe value of the highlighted number. Press theLEFT/RIGHT arrow keys to move to anothernumber.3. Press MENU/ENTER to save the changedvalues and leave the Set Baro Correctionoption.Display Latitude/Longitude LinesUse this option to choose to display or not displayLat/Lon lines on the map displays.Press the Next Page key to display the next pageof menu items.
